STEERABLE DRILLING WITH DOWNHOLE MOTOR

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EP 0 799 363 A1

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(43)	Date of publication:
	08.10.1997 Bulletin 1997/41

(21)	Application number: 95943229.0

(22)	Date of filing: 20.12.1995

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International Patent Classification (IPC):

E21B 7/ 06^{( . )}

(86)	International application number:
	PCT/EP1995/005163

(87)	International publication number:
	WO 1996/019635 (27.06.1996 Gazette 1996/29)

(84)	Designated Contracting States:
	DE DK FR GB IT NL

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Priority:

21.12.1994 EP 19940203712

(71)	Applicant: SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
	2596 HR Den Haag (NL)

(72)	Inventor:
	FAURE, Alban, Michel NL-2288 GD Rijswijk (NL)

(54)	STEERABLE DRILLING WITH DOWNHOLE MOTOR